.a_background {
	width: 100%;
	height: 100%;
	position: absolute
}

.a_background_top {
	width: 100%;
	height: 71.6%;
	background-image:url(../images/a/a_background_top.png);
	background-size: 100% 100%
}

.a_background_middle {
	width: 100%;
	height: 13.1%;
	background-image:url(../images/a/a_background_middle.png);
	background-size: 100% 100%
}

.a_background_botton {
	width: 100%;
	height: 15.3%;
	background-image:url(../images/a/a_background_botton.png);
	background-size: 100% 100%
}

.cloud {
	z-index: 2;
	position: absolute
}

.cloud1 {
	width: 100%;
	height: 30%;
	left: -5%;
	top: 15%;
	background:url(../images/cloud/cloud1.png) no-repeat;
	-webkit-animation-name: smallCloud;
	-webkit-animation-duration: 30s;
	-webkit-animation-iteration: infinite;
	-moz-animation-name: smallCloud;
	-moz-animation-duration: 30s;
	-moz-animation-iteration: infinite
}

.cloud2 {
	width: 100%;
	height: 100%;
	right: -5%;
	background:url(../images/cloud/cloud2.png) no-repeat;
	-webkit-animation-name: largeCloud;
	-webkit-animation-duration: 50s;
	-webkit-animation-iteration: infinite;
	-moz-animation-name: largeCloud;
	-moz-animation-duration: 50s;
	-moz-animation-iteration: infinite
}

@-webkit-keyframes smallCloud {
	0% {
		left: -5%
	}

	100% {
		left: 100%
	}
}

@-moz-keyframes smallCloud {
	0% {
		left: -5%
	}

	100% {
		left: 100%
	}
}

@-webkit-keyframes largeCloud {
	0% {
		right: -5%
	}

	100% {
		right: 100%
	}
}

@-moz-keyframes largeCloud {
	0% {
		right: -5%
	}

	100% {
		right: 100%
	}
}

#sun {
	background:url(../images/sun.png) no-repeat;
	position: absolute;
	z-index: 1;
	top: -30px;
	height: 201px;
	width: 201px;
	right: 100px;
	-webkit-transform: rotate(45deg);
	-webkit-animation-name: rotation;
	-webkit-animation-duration: 60s;
	-webkit-animation-iteration: 1;
	-webkit-animation-fill-mode: forwards;
	-moz-transform: rotate(45deg);
	-moz-animation-name: rotation;
	-moz-animation-duration: 60s;
	-moz-animation-iteration: 1;
	-moz-animation-fill-mode: forwards
}

@-webkit-keyframes rotation {
	0% {
		transform: translateX(0) translateY(0) rotate(45deg)
	}

	100% {
		transform: translateX(-2000px) translateY(400px) rotate(70deg)
	}
}

@-moz-keyframes rotation {
	0% {
		transform: translateX(0) translateY(0) rotate(45deg)
	}

	100% {
		transform: translateX(-2000px) translateY(400px) rotate(70deg)
	}
}